Finding the Fourth Proportional to 171,370.07, 236,457.09 and 107,670.96
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Solution
The fourth proportional to 171,370.07, 236,457.09 and 107,670.96 is: 148,564.81
Step by Step Solution
- Step 1: Write the proportion equation
171,370.07 : 236,457.09 = 107,670.96 : x - Step 2: Convert to fraction form
171,370.07/236,457.09 = 107,670.96/x - Step 3: Cross multiply
171,370.07x = 236,457.09 × 107,670.96 - Step 4: Simplify right side
171,370.07x = 25,459,561,879.11 - Step 5: Solve for x
x = 25,459,561,879.11/171,370.07 - Step 6: Final answer
x = 148,564.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.